#auto{
    width: 180px;
    border: 1px solid #dedede;
    border-top: none;
    position: absolute;
    left:1095px;
    top:30px;
    margin: 20px auto 0 auto;
}
#auto_out{
    width: 175px;
    height: 36px;
    line-height: 36px;
    padding-left: .5em;
    color: #000;
    background: #fff;
    overflow: hidden;
    white-space: nowrap;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
}